CSSRule Properties

Container query list array (for rules involving container queries). The array enumerates container queries starting with the innermost one, going outwards.

Cascade layer array. Contains the layer hierarchy that this rule belongs to starting with the innermost layer and going outwards.

Media list array (for rules involving media queries). The array enumerates media queries starting with the innermost one, going outwards.

Array of selectors from ancestor style rules, sorted by distance from the current rule.

Parent stylesheet's origin.

The array keeps the types of ancestor CSSRules from the innermost going outwards.

@scope CSS at-rule array. The array enumerates @scope at-rules starting with the innermost one, going outwards.

Rule selector data.

Associated style declaration.

The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.

@supports CSS at-rule array. The array enumerates @supports at-rules starting with the innermost one, going outwards.